Too true,but now a curved ball....a larger diameter disc rotor will reduce pedal pressure,however increasing the rolling radius of the tyre has the opposite effect requiring a more vigours push to get the same result...all a balancing act in the end.
For the record,my cars do not use power brakes(but they have been tried)without good feel.

pedal wont feel good with the booster but better than a small bore diameter master expleiing almost all its fluid with a long pedal travel like mine( if find it ok, its 3/4 to the floor, still bit longer than a stocker which was 1/2 way to floor)

I found moving up to 20mm rear slaves the biggest drama for my pedal travel and feel. keeping 17mm on rear and larger disks up front worked well, but fronts would lock before the rears, now more balance braking but slightly longer pedal travel. Stock twin master cyl

Or you could simply adjust your brake shoes. Stock Datsun 1200 has a high, tight pedal when they are properly adjusted. Need to adjust every six months to keep it tight.

brake shoes adjusted and tight, just larger salve cyls in rear and 200 b brakes up front.

Yep, i cannot say how modified brakes work. Only that stock 1200 disc brakes can have a firm pedal.

my sunny truck runs factory booster and discs(fr), pedal feel is ecxellent.

pulls up harder than my old r32 turbo. Has gone better than -1g under brakes (simret brake tester).